
typedef enum{
	USB_ST_NONE,
	USB_ST_READING,
	USB_ST_MOUNTED,
	USB_ST_ERROR
}USB_STATUS;

void USB_RepeatOff(void);
void USB_ScanOff(void);
void USB_RandomOff(void);
void USB_PauseOff(unsigned char ucDes);
void USB_FastForwardStart(void);
void USB_FFREW_Release(void);
unsigned char USB_SoundStatus(void);
void USB_SetStatus(unsigned char ucDes);

